<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <style>
    body{
      background: pink;
    }
  </style>
  <!-- 可以不写。动态插入的 -->
  <!-- <script src="./bundle.js"></script> -->
  <title>大树测试</title>
  <style>
      body{
        background: pink;
      }
    </style>
</head>
<body>
  <div>
    <span>大树</span>
    <br>
    <p>以下是img方式引入的</p>
    <img src="./logo.png" alt="">
  </div>
</body>
</html>